Used someone else's upgrade now what

Ok so i used my Moms upgrade on her line to order the iphone 5 so i could get it for 299, anyways when ordering it asked for a change in my plan i chose the options for the plan I'm currently on 4gb/ hotspot Verizon. What do i need to do so that when this phone arrives it gets activated to my number instead of hers and doesn't activate another data plan plz any help would be appreciated

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